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Finding the Fourth Proportional to 5,407.50, 7,463.10 and 3,170.27

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Solution

The fourth proportional to 5,407.50, 7,463.10 and 3,170.27 is: 4,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.50 : 7,463.10 = 3,170.27 : x
  2. Step 2: Convert to fraction form
    5,407.50/7,463.10 = 3,170.27/x
  3. Step 3: Cross multiply
    5,407.50x = 7,463.10 × 3,170.27
  4. Step 4: Simplify right side
    5,407.50x = 23,660,042.04
  5. Step 5: Solve for x
    x = 23,660,042.04/5,407.50
  6. Step 6: Final answer
    x = 4,375.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.